Security readout for executives and security teams
Plain-English summary
CVE-2013-3902 is a Windows kernel privilege-escalation flaw. A person or malware already able to run a crafted application locally on an affected 64-bit Windows 7 SP1 or Windows Server 2008 R2 SP1 system could gain higher privileges.
Executive priority
Treat this as high priority where legacy affected Windows systems remain in use, especially multi-user or high-value systems. It enables privilege escalation after local execution, increasing compromise impact.
Technical view
The CVE describes a use-after-free vulnerability in win32k.sys within Windows kernel-mode drivers. The affected scope provided is Microsoft Windows 7 SP1 and Windows Server 2008 R2 SP1 on 64-bit platforms. The impact is local privilege escalation through a crafted application.
Likely exposure
Exposure is likely limited to systems running the listed 64-bit Windows 7 SP1 or Windows Server 2008 R2 SP1 platforms without the MS13-101 security update applied.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The described attacker position is local code execution, not remote unauthenticated access.
Researcher notes
Evidence is sparse in the provided bundle: no CVSS, CWE, exploit maturity, or detailed patch metadata is included beyond the Microsoft advisory reference. Do not claim remote exploitation or active abuse from these sources.
Mitigation direction
- Review Microsoft MS13-101 for the applicable security update and prerequisites.
- Apply the relevant MS13-101 update to affected Windows systems.
- Restrict local interactive access on affected systems until remediated.
- Prioritize remediation on shared workstations, jump hosts, and servers with multiple local users.
Validation and detection
- Inventory 64-bit Windows 7 SP1 and Windows Server 2008 R2 SP1 systems.
- Check whether each affected system has the MS13-101 update installed.
- Confirm endpoint controls detect or block unauthorized local application execution.
- Document any remaining affected systems and compensating access restrictions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2013-3902 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- MS13-101CVE reference · vendor-advisory, x_refsource_MS
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.